CVE-2026-1338

Published: May 14, 2026Modified: Jun 17, 2026

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitability: 2.8 / Impact: 1.4

Source: cve@gitlab.com (Secondary)

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.

Affected (6)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	17.10.0 ≤ version < 18.9.7
Gitlab Gitlab	18.10.0 ≤ version < 18.10.6
Gitlab Gitlab	18.11.0 ≤ version < 18.11.3
Gitlab Gitlab	17.10.0 ≤ version < 18.9.7
Gitlab Gitlab	18.10.0 ≤ version < 18.10.6
Gitlab Gitlab	18.11.0 ≤ version < 18.11.3

Related CWEs

CWE-639

Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

References (3)

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

Source: cve@gitlab.com

Release Notes

https://gitlab.com/gitlab-org/gitlab/-/work_items/587326

Source: cve@gitlab.com

Not Applicable

https://hackerone.com/reports/3480620

Source: cve@gitlab.com

Permissions Required

Timeline

No history available yet.